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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 40 · 40 questions
TalentJR

How to think it through (Test every number): Check each number for a property: even/odd, prime (only two factors), square (4, 9, 16 …), or a multiple of 3, 4, 5 … 9. Find the property that three numbers share and one does not. Make sure no other property points at a different number — then that one is the odd one out.

NameDateTime takenScore ___ / 40
  1. 1.Which number is the odd one out: 63, 13, 19, 59? (a) 63 (b) 13 (c) 19 (d) 59
  2. 2.Which number is the odd one out: 61, 31, 22, 89? (a) 61 (b) 31 (c) 22 (d) 89
  3. 3.Which number is the odd one out: 70, 89, 59, 7? (a) 70 (b) 89 (c) 59 (d) 7
  4. 4.Which number is the odd one out: 66, 78, 39, 79? (a) 66 (b) 78 (c) 39 (d) 79
  5. 5.Which number is the odd one out: 87, 93, 38, 57? (a) 87 (b) 93 (c) 38 (d) 57
  6. 6.Which number is the odd one out: 19, 23, 28, 73? (a) 19 (b) 23 (c) 28 (d) 73
  7. 7.Which number is the odd one out: 29, 47, 18, 11? (a) 29 (b) 47 (c) 18 (d) 11
  8. 8.Which number is the odd one out: 46, 19, 53, 11? (a) 46 (b) 19 (c) 53 (d) 11
  9. 9.Which number is the odd one out: 13, 83, 86, 97? (a) 13 (b) 83 (c) 86 (d) 97
  10. 10.Which number is the odd one out: 40, 32, 25, 74? (a) 40 (b) 32 (c) 25 (d) 74
  11. 11.Which number is the odd one out: 14, 7, 29, 2? (a) 14 (b) 7 (c) 29 (d) 2
  12. 12.Which number is the odd one out: 28, 97, 19, 83? (a) 28 (b) 97 (c) 19 (d) 83
  13. 13.Which number is the odd one out: 56, 96, 84, 13? (a) 56 (b) 96 (c) 84 (d) 13
  14. 14.Which number is the odd one out: 6, 31, 93, 59? (a) 6 (b) 31 (c) 93 (d) 59
  15. 15.Which number is the odd one out: 24, 2, 96, 52? (a) 24 (b) 2 (c) 96 (d) 52
  16. 16.Which number is the odd one out: 45, 30, 27, 54? (a) 45 (b) 30 (c) 27 (d) 54
  17. 17.Which number is the odd one out: 45, 68, 75, 99? (a) 45 (b) 68 (c) 75 (d) 99
  18. 18.Which number is the odd one out: 53, 73, 11, 74? (a) 53 (b) 73 (c) 11 (d) 74
  19. 19.Which number is the odd one out: 90, 30, 22, 18? (a) 90 (b) 30 (c) 22 (d) 18
  20. 20.Which number is the odd one out: 53, 67, 89, 84? (a) 53 (b) 67 (c) 89 (d) 84
  21. 21.Which number is the odd one out: 11, 82, 67, 53? (a) 11 (b) 82 (c) 67 (d) 53
  22. 22.Which number is the odd one out: 41, 14, 53, 11? (a) 41 (b) 14 (c) 53 (d) 11
  23. 23.Which number is the odd one out: 51, 89, 13, 53? (a) 51 (b) 89 (c) 13 (d) 53
  24. 24.Which number is the odd one out: 36, 8, 48, 88? (a) 36 (b) 8 (c) 48 (d) 88
  25. 25.Which number is the odd one out: 64, 46, 16, 8? (a) 64 (b) 46 (c) 16 (d) 8
  26. 26.Which number is the odd one out: 8, 88, 32, 83? (a) 8 (b) 88 (c) 32 (d) 83
  27. 27.Which number is the odd one out: 23, 89, 5, 15? (a) 23 (b) 89 (c) 5 (d) 15
  28. 28.Which number is the odd one out: 58, 94, 74, 85? (a) 58 (b) 94 (c) 74 (d) 85
  29. 29.Which number is the odd one out: 28, 42, 53, 84? (a) 28 (b) 42 (c) 53 (d) 84
  30. 30.Which number is the odd one out: 46, 48, 59, 96? (a) 46 (b) 48 (c) 59 (d) 96
  31. 31.Which number is the odd one out: 4, 89, 47, 61? (a) 4 (b) 89 (c) 47 (d) 61
  32. 32.Which number is the odd one out: 50, 76, 52, 35? (a) 50 (b) 76 (c) 52 (d) 35
  33. 33.Which number is the odd one out: 20, 65, 55, 68? (a) 20 (b) 65 (c) 55 (d) 68
  34. 34.Which number is the odd one out: 13, 73, 17, 52? (a) 13 (b) 73 (c) 17 (d) 52
  35. 35.Which number is the odd one out: 32, 76, 8, 98? (a) 32 (b) 76 (c) 8 (d) 98
  36. 36.Which number is the odd one out: 81, 53, 79, 11? (a) 81 (b) 53 (c) 79 (d) 11
  37. 37.Which number is the odd one out: 23, 4, 71, 29? (a) 23 (b) 4 (c) 71 (d) 29
  38. 38.Which number is the odd one out: 31, 13, 68, 19? (a) 31 (b) 13 (c) 68 (d) 19
  39. 39.Which number is the odd one out: 6, 96, 48, 24? (a) 6 (b) 96 (c) 48 (d) 24
  40. 40.Which number is the odd one out: 72, 24, 90, 48? (a) 72 (b) 24 (c) 90 (d) 48

Answer key

  1. 63
  2. 22
  3. 70
  4. 79
  5. 38
  6. 28
  7. 18
  8. 46
  9. 86
  10. 25
  11. 14
  12. 28
  13. 13
  14. 6
  15. 2
  16. 30
  17. 68
  18. 74
  19. 22
  20. 84
  21. 82
  22. 14
  23. 51
  24. 36
  25. 46
  26. 83
  27. 15
  28. 85
  29. 53
  30. 59
  31. 4
  32. 35
  33. 68
  34. 52
  35. 98
  36. 81
  37. 4
  38. 68
  39. 6
  40. 90

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